Keil MCB517AC, Руководство пользователя

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MCB517AC Evaluation Board User’s Guide 23
IF (MON_ON) THEN ; Monitor switched on
BEGIN
A_P[16] = LED
A_P[17] = 0
C_ACCESS = (PSEN * /ALE) + (C_ACCESS * /ALE) ; =1 for a CODE access / =0 for a
XDATA access
CASE(S[2..1])
BEGIN
0: BEGIN ; No Banking
A_P[15] = 0 ; Monitor without banking
A_R[15] = A15
A_R[16] = 0
A_R[17] = 0
A_R17 = 0
END
1: BEGIN ; 64 KB Code + 32KB RAM
A_P[15] = 1 ; Monitor with banking
IF (A15) THEN
BEGIN
A_R[15] = P6[5]
A_R[16] = 0
A_R[17] = 0
A_R17 = 0
END
ELSE
BEGIN
A_R[15] = C_ P6[5]
A_R[16] = 1
A_R[17] = 1
A_R17 = 1
END
END
2: BEGIN ; 3 Banks + 32KB RAM
A_P[15] = 1 ; Monitor with banking
IF (A15) THEN
BEGIN
A_R[15..16] = P6[5..6]
A_R[17] = 0
A_R17 = 0
END
ELSE
BEGIN
A_R[15] = C_ (P6[5] * P6[6])
A_R[16] = 1
A_R[17] = 1
A_R17 = 1
END
END
3: BEGIN ; 6 Banks + 32 KB Ram
A_P[15] = 1 ; Monitor with banking
IF (A15) THEN
BEGIN
A_R[15..17] = P6[5..7]
A_R17 = P6[7]
END
ELSE
BEGIN
A_R[15] = C_ (P6[5] * P6[6] * P6[7])
A_R[16] = 1
A_R[17] = 1
A_R17 = 1
END
END
END
END
ELSE ; Monitor switched off
BEGIN
CASE(S[2..1])